16680865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2088

約数の個数: 16

約数和(自身を含む): 21184128

約数和(自身を除く): 4503263

約数列:

[1, 5, 23, 73, 115, 365, 1679, 1987, 8395, 9935, 45701, 145051, 228505, 725255, 3336173, 16680865]

約数ペア:

[(1, 16680865), (5, 3336173), (23, 725255), (73, 228505), (115, 145051), (365, 45701), (1679, 9935), (1987, 8395)]